Energy efficient integrated LED round bulkhead with tri-colour selection switch and built-in 3-hour emergency module and indicator light. Choose between 3000K warm white, 4000K cool white or 5000K neutral white colour options via recessed switch on rear of unit. Constructed from tough corrosion resistant plastic with a white finish with opal diffuser. Integrated automatic emergency function - illuminates to 20% light-output when power supply is disrupted. Battery duration 3-hours with 24-hour charge time.